drivers/pinctrl/sh-pfc/core.h

   1 /*
   2  * SuperH Pin Function Controller support.
   3  *
   4  * Copyright (C) 2012  Renesas Solutions Corp.
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #ifndef __SH_PFC_CORE_H__
  11 #define __SH_PFC_CORE_H__
  12
  13 #include <linux/compiler.h>
  14 #include <linux/types.h>
  15
  16 #include "sh_pfc.h"
  17
  18 struct sh_pfc_window {
  19         phys_addr_t phys;
  20         void __iomem *virt;
  21         unsigned long size;
  22 };
  23
  24 struct sh_pfc_chip;
  25 struct sh_pfc_pinctrl;
  26
  27 struct sh_pfc {
  28         struct device *dev;
  29         const struct sh_pfc_soc_info *info;
  30         spinlock_t lock;
  31
  32         unsigned int num_windows;
  33         struct sh_pfc_window *window;
  34
  35         unsigned int nr_pins;
  36
  37         struct sh_pfc_chip *gpio;
  38         struct sh_pfc_chip *func;
  39
  40         struct sh_pfc_pinctrl *pinctrl;
  41 };
  42
  43 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
  44 int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc);
  45
  46 int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
  47 int sh_pfc_unregister_pinctrl(struct sh_pfc *pfc);
  48
  49 unsigned long sh_pfc_read_raw_reg(void __iomem *mapped_reg,
  50                                   unsigned long reg_width);
  51 void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned long reg_width,
  52                           unsigned long data);
  53
  54 int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
  55 int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
  56
  57 extern const struct sh_pfc_soc_info r8a73a4_pinmux_info;
  58 extern const struct sh_pfc_soc_info r8a7740_pinmux_info;
  59 extern const struct sh_pfc_soc_info r8a7779_pinmux_info;
  60 extern const struct sh_pfc_soc_info sh7203_pinmux_info;
  61 extern const struct sh_pfc_soc_info sh7264_pinmux_info;
  62 extern const struct sh_pfc_soc_info sh7269_pinmux_info;
  63 extern const struct sh_pfc_soc_info sh7372_pinmux_info;
  64 extern const struct sh_pfc_soc_info sh73a0_pinmux_info;
  65 extern const struct sh_pfc_soc_info sh7720_pinmux_info;
  66 extern const struct sh_pfc_soc_info sh7722_pinmux_info;
  67 extern const struct sh_pfc_soc_info sh7723_pinmux_info;
  68 extern const struct sh_pfc_soc_info sh7724_pinmux_info;
  69 extern const struct sh_pfc_soc_info sh7734_pinmux_info;
  70 extern const struct sh_pfc_soc_info sh7757_pinmux_info;
  71 extern const struct sh_pfc_soc_info sh7785_pinmux_info;
  72 extern const struct sh_pfc_soc_info sh7786_pinmux_info;
  73 extern const struct sh_pfc_soc_info shx3_pinmux_info;
  74
  75 #endif /* __SH_PFC_CORE_H__ */